4c76e3150b
Based on a similar approach I used for AnkiDroid. The separate modules file has been integrated into ftl.js.
96 lines
2.6 KiB
TypeScript
96 lines
2.6 KiB
TypeScript
// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import "intl-pluralrules";
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import { FluentBundle, FluentResource } from "@fluent/bundle";
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import { i18nResources } from "@tslib/backend";
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import type { ModuleName } from "@tslib/ftl";
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import { firstLanguage, setBundles } from "./bundles";
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export function supportsVerticalText(): boolean {
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const firstLang = firstLanguage();
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return (
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firstLang.startsWith("ja")
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|| firstLang.startsWith("zh")
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|| firstLang.startsWith("ko")
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);
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}
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export function direction(): string {
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const firstLang = firstLanguage();
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if (
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firstLang.startsWith("ar")
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|| firstLang.startsWith("he")
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|| firstLang.startsWith("fa")
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) {
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return "rtl";
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} else {
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return "ltr";
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}
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}
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export function weekdayLabel(n: number): string {
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const firstLang = firstLanguage();
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const now = new Date();
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const daysFromToday = -now.getDay() + n;
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const desiredDay = new Date(now.getTime() + daysFromToday * 86_400_000);
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return desiredDay.toLocaleDateString(firstLang, {
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weekday: "narrow",
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});
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}
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let langs: string[] = [];
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export function localizedDate(
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date: Date,
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options?: Intl.DateTimeFormatOptions,
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): string {
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return date.toLocaleDateString(langs, options);
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}
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export function localizedNumber(n: number, precision = 2): string {
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const round = Math.pow(10, precision);
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const rounded = Math.round(n * round) / round;
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return rounded.toLocaleString(langs);
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}
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export function localeCompare(
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first: string,
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second: string,
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options?: Intl.CollatorOptions,
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): number {
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return first.localeCompare(second, langs, options);
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}
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/** Treat text like HTML, merging multiple spaces and converting
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newlines to spaces. */
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export function withCollapsedWhitespace(s: string): string {
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return s.replace(/\s+/g, " ");
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}
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export function withoutUnicodeIsolation(s: string): string {
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return s.replace(/[\u2068-\u2069]+/g, "");
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}
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export async function setupI18n(args: { modules: ModuleName[] }): Promise<void> {
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const resources = await i18nResources(args);
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const json = JSON.parse(new TextDecoder().decode(resources.json));
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const newBundles: FluentBundle[] = [];
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for (const res in json.resources) {
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const text = json.resources[res];
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const lang = json.langs[res];
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const bundle = new FluentBundle([lang, "en-US"]);
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const resource = new FluentResource(text);
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bundle.addResource(resource);
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newBundles.push(bundle);
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}
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setBundles(newBundles);
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langs = json.langs;
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document.dir = direction();
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}
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